diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
new file mode 100644
index 00000000..6f39b4c5
--- /dev/null
+++ b/.github/workflows/build-macos.yml
@@ -0,0 +1,102 @@
+name: build-macos
+on: [push, pull_request]
+jobs:
+
+  macos_latest_cmake:
+    runs-on: macos-latest
+    name: macOS CMake ${{ matrix.python }} Python
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - python: without
+          - python: with
+    steps:
+      - name: Clone and check out repository code
+        uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+      - name: Check commit
+        run: |
+          git log -1
+      - name: Install brew dependencies
+        run: |
+          if [ "${{ matrix.python }}" == "with" ]; then
+              # Unlink and re-link to prevent errors when github mac runner images
+              # install python outside of brew, for example:
+              # https://github.com/orgs/Homebrew/discussions/3895
+              # https://github.com/actions/setup-python/issues/577
+              # https://github.com/actions/runner-images/issues/6459
+              # https://github.com/actions/runner-images/issues/6507
+              # https://github.com/actions/runner-images/issues/2322
+              brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
+          fi
+          brew reinstall gcc # brings gfortran on path
+          brew install cmake open-mpi eigen veclibfort $([ "${{ matrix.python }}" == "with" ] && echo "boost-python3 python3 numpy" || echo " ")
+      - name: Setup environment
+        run: |
+          if [ "${{ matrix.python }}" == "without" ]; then
+            # use MPI compiler wrappers
+            echo "FC=mpif90" >> $GITHUB_ENV
+            echo "CC=mpicc" >> $GITHUB_ENV
+            echo "CXX=mpic++" >> $GITHUB_ENV
+          else
+            # use compiler drivers directly
+            echo "FC=gfortran" >> $GITHUB_ENV
+            echo "CC=clang" >> $GITHUB_ENV
+            echo "CXX=clang++" >> $GITHUB_ENV
+          fi
+      - name: Configure
+        run: |
+          mkdir -p build
+          cd build
+          export CFLAGS="-Qunused-arguments"
+          export CXXFLAGS="-Qunused-arguments"
+          export VECLIBFORT_PREFIX=$(brew --prefix veclibfort)
+          cmake \
+            -DBLAS_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
+            -DLAPACK_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
+            -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DMPI=ON \
+            $([ "${{ matrix.python }}" == "with" ] && echo "-DPYTHON3=ON" || echo "") \
+            ..
+      - name: Build
+        run: |
+          cd build
+          make all
+      - name: Run tests
+        run: |
+          cd build
+          CTEST_OUTPUT_ON_FAILURE=1 make test
+
+  macos_latest_autotools:
+    runs-on: macos-latest
+    name: macOS autotools
+    steps:
+      - name: Clone and check out repository code
+        uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+      - name: Check commit
+        run: |
+          git log -1
+      - name: Install brew dependencies
+        run: |
+          brew reinstall gcc # brings gfortran on path
+          brew install autoconf automake libtool pkgconfig open-mpi eigen veclibfort
+      - name: Configure
+        run: |
+          ./bootstrap
+          export VECLIBFORT_PREFIX=$(brew --prefix veclibfort)
+          BLAS_LIBS="-L${VECLIBFORT_PREFIX}/lib -lvecLibFort" \
+          LAPACK_LIBS="-L${VECLIBFORT_PREFIX}/lib -lvecLibFort" \
+            ./configure --enable-icb --enable-eigen --enable-mpi
+      - name: Build
+        run: |
+          make all
+      - name: Run checks
+        run: |
+          make check
diff --git a/.github/workflows/build-mingw.yml b/.github/workflows/build-mingw.yml
new file mode 100644
index 00000000..cd187a83
--- /dev/null
+++ b/.github/workflows/build-mingw.yml
@@ -0,0 +1,102 @@
+name: build-mingw
+on: [push, pull_request]
+jobs:
+  windows_latest_cmake:
+    runs-on: windows-latest
+    name: MinGW-w64 ${{ matrix.msystem }} INTERFACE64=${{ matrix.int64 }}/MPI=${{ matrix.mpi }}
+    strategy:
+      fail-fast: false
+      matrix:
+        msystem: [UCRT64, CLANG64]
+        int64: [ON, OFF]
+        mpi: [ON, OFF]
+        exclude:
+          - int64: ON
+            mpi: ON
+    defaults:
+      run:
+        # Use MSYS2 as default shell
+        shell: msys2 {0}
+    steps:
+      - name: Install MSYS2 build environment
+        uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          msystem: ${{ matrix.msystem }}
+          install: >-
+            base-devel
+            git
+          pacboy: >-
+            cmake:p
+            ninja:p
+            cc:p
+            fc:p
+            eigen3:p
+      - name: Install OpenBLAS and MS-MPI from MSYS2
+        run: |
+          if [[ ${{ matrix.int64 }} != ON ]]; then
+            pacboy -S openblas:p --noconfirm
+          else
+            pacboy -S openblas64:p --noconfirm
+          fi
+          if [[ ${{ matrix.mpi }} = ON ]]; then
+            # This installs only the link library.
+            # The actual library will be installed in the next step.
+            pacboy -S msmpi:p --noconfirm
+          fi
+      - name: Install MS-MPI (for mpiexec)
+        uses: mpi4py/setup-mpi@v1
+      - name: Clone and check out repository code
+        uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+      - name: Check commit
+        run: |
+          git log -1
+      - name: Run job
+        run: |
+          mkdir -p build && cd build
+          echo "::group::Configure"
+          if [[ ${{ matrix.int64 }} == ON ]]; then
+            _blas_lib_flag="-DBLAS_LIBRARIES=openblas_64"
+          fi
+          cmake \
+            -GNinja \
+            -DICB=ON \
+            -DEIGEN=ON \
+            -DEXAMPLES=ON \
+            -DMPI=${{ matrix.mpi }} \
+            -DINTERFACE64=${{ matrix.int64 }} \
+            ${_blas_lib_flag} \
+            ..
+          echo "::endgroup::"
+          echo "::group::Build"
+          cmake --build . -v
+          echo "::endgroup::"
+      - name: Run tests
+        id: run-ctest
+        run: |
+          if [[ ${{ matrix.mpi }} == ON ]]; then
+            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
+          fi
+          cd build
+          ctest
+      - name: Re-run tests
+        if: always() && (steps.run-ctest.outcome == 'failure')
+        timeout-minutes: 60
+        run: |
+          if [[ ${{ matrix.mpi }} == ON ]]; then
+            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
+          fi
+          cd build
+          echo "::group::Re-run ctest"
+          ctest --rerun-failed --output-on-failure || true
+          echo "::endgroup::"
+          echo "::group::Log from these tests"
+          [ ! -f Testing/Temporary/LastTest.log ] || cat Testing/Temporary/LastTest.log
+          echo "::endgroup::"
+          echo "::group::Content of arpackmm.run.log"
+          [ ! -f EXAMPLES/MATRIX_MARKET/arpackmm.run.log ] || cat EXAMPLES/MATRIX_MARKET/arpackmm.run.log
+          echo "::endgroup::"
diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
new file mode 100644
index 00000000..de02120e
--- /dev/null
+++ b/.github/workflows/build-ubuntu.yml
@@ -0,0 +1,173 @@
+name: build-ubuntu
+on: [push, pull_request]
+jobs:
+
+  ubuntu_latest_cmake:
+    runs-on: ubuntu-latest
+    name: Ubuntu CMake ${{ matrix.tests }} tests ${{ matrix.install }} install ${{ matrix.python }} Python
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - tests: with
+            install: without
+            python: without
+          - tests: without
+            install: with
+            python: without
+          - tests: with
+            install: without
+            python: with
+    steps:
+      - name: Clone and check out repository code
+        uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+      - name: Check commit
+        run: |
+          git log -1
+      - name: Update OS
+        run: sudo apt-get update
+      - name: Install apt-get dependencies
+        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
+      - name: Install python dependencies
+        if: matrix.python == 'with'
+        run: sudo apt-get -y install python3-minimal python3-pip python3-numpy
+      - name: Build boost-python for python3 (not provided by apt-cache)
+        if: matrix.python == 'with'
+        run : |
+          sudo apt-get -y install wget
+          wget https://sourceforge.net/projects/boost/files/boost/1.79.0/boost_1_79_0.tar.gz
+          tar -xf boost_1_79_0.tar.gz
+          cd boost_1_79_0
+          ./bootstrap.sh --with-libraries=python --with-python=/usr/bin/python3 --with-toolset=gcc
+          sudo ./b2 toolset=gcc install
+          sudo apt-get install locate
+          sudo updatedb
+      - name: Configure
+        run: |
+          mkdir build
+          cd build
+          cmake \
+            $([ "${{ matrix.tests }}" == "with" ] && echo "-DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON" || echo "") \
+            $([ "${{ matrix.python }}" == "with" ] && echo "-DPYTHON3=ON" || echo "") \
+            ..
+      - name: Build and install
+        if: matrix.install == 'with'
+        run: |
+          cd build
+          bash ./tstCMakeInstall.sh
+      - name: Build and install '64-'
+        if: matrix.install == 'with'
+        run: |
+          cd build
+          bash ./tstCMakeInstall.sh 64-
+      - name: Build and install '-ILP64'
+        if: matrix.install == 'with'
+        run: |
+          cd build
+          bash ./tstCMakeInstall.sh   -ILP64
+      - name: Build and install '64-ILP64'
+        if: matrix.install == 'with'
+        run: |
+          cd build
+          bash ./tstCMakeInstall.sh 64-ILP64
+      - name: Build
+        if: matrix.tests == 'with'
+        run: |
+          cd build
+          make all
+      - name: Run tests
+        if: matrix.tests == 'with'
+        run: |
+          cd build
+          CTEST_OUTPUT_ON_FAILURE=1 make test
+      - name: Create source package
+        if: matrix.tests == 'with'
+        run: |
+          cd build
+          make package_source
+
+  ubuntu_latest_autotools:
+    runs-on: ubuntu-latest
+    name: Ubuntu autotools ${{ matrix.tests }} tests ${{ matrix.install }} install using ${{ matrix.blas }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - tests: with
+            install: without
+            blas: BLAS
+            configure-flags: --enable-mpi --enable-icb --enable-eigen
+          - tests: without
+            install: with
+            blas: BLAS
+            configure-flags:
+          - tests: with
+            install: without
+            blas: MKL
+            configure-flags: --enable-icb --with-blas=mkl_gf_ilp64 --with-lapack=mkl_gf_ilp64
+    steps:
+      - name: Clone and check out repository code
+        uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
+          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
+      - name: Check commit
+        run: |
+          git log -1
+      - name: Update OS
+        run: sudo apt-get update
+      - name: Install apt-get dependencies
+        run: |
+          sudo apt-get install -y \
+            gfortran gcc g++ openmpi-bin libopenmpi-dev \
+            $([ "${{ matrix.blas }}" != "BLAS" ] || echo "libblas-dev liblapack-dev") \
+            libeigen3-dev automake autoconf pkg-config libtool
+          if [ "${{ matrix.blas }}" == "MKL" ]; then
+            echo "::group::Install Intel MKL (ILP64 BLAS/LAPACK)"
+            echo yes | sudo apt-get -y install intel-mkl libmkl-dev
+            echo "::endgroup::"
+          fi
+      - name: Setup environment for MKL
+        if: matrix.blas == 'MKL'
+        run: |
+          echo "FFLAGS=-DMKL_ILP64 -I/usr/include/mkl" >> $GITHUB_ENV
+          echo "FCFLAGS=-DMKL_ILP64 -I/usr/include/mkl" >> $GITHUB_ENV
+          echo "LIBS=-Wl,--no-as-needed -L/usr/lib/x86_64-linux-gnu -lmkl_sequential -lmkl_core -lpthread -lm -ldl" >> $GITHUB_ENV
+          echo "INTERFACE64=1" >> $GITHUB_ENV
+      - name: Configure
+        run: |
+          ./bootstrap
+          ./configure ${{ matrix.configure-flags }}
+      - name: Build and install
+        if: matrix.install == 'with'
+        run: |
+          bash ./tstAutotoolsInstall.sh
+      - name: Build and install '64-'
+        if: matrix.install == 'with'
+        run: |
+          bash ./tstAutotoolsInstall.sh 64-
+      - name: Build and install '-ILP64'
+        if: matrix.install == 'with'
+        run: |
+          bash ./tstAutotoolsInstall.sh   -ILP64
+      - name: Build and install '64-ILP64'
+        if: matrix.install == 'with'
+        run: |
+          bash ./tstAutotoolsInstall.sh 64-ILP64
+      - name: Build
+        if: matrix.tests == 'with'
+        run: |
+          make all
+      - name: Run checks
+        if: matrix.tests == 'with'
+        run: |
+          make check
+      - name: Run distchecks
+        if: matrix.tests == 'with' && matrix.blas != 'MKL'
+        run: |
+          make distcheck
diff --git a/.github/workflows/jobs.yml b/.github/workflows/jobs.yml
deleted file mode 100644
index 476e0d23..00000000
--- a/.github/workflows/jobs.yml
+++ /dev/null
@@ -1,359 +0,0 @@
-name: arpack-ng
-on: [push, pull_request]
-jobs:
-  ubuntu_latest_cmake:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-          make package_source
-  ubuntu_latest_cmake_install:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev cmake
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake ..
-          bash ./tstCMakeInstall.sh
-          bash ./tstCMakeInstall.sh 64-
-          bash ./tstCMakeInstall.sh   -ILP64
-          bash ./tstCMakeInstall.sh 64-ILP64
-  ubuntu_latest_autotools:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev automake autoconf pkg-config libtool
-      - name: Run job
-        run: |
-          ./bootstrap
-          ./configure --enable-mpi --enable-icb --enable-eigen
-          make all
-          make check
-          make distcheck
-  ubuntu_latest_autotools_install:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev libeigen3-dev automake autoconf pkg-config libtool
-      - name: Run job
-        run: |
-          ./bootstrap
-          ./configure
-          bash ./tstAutotoolsInstall.sh
-          bash ./tstAutotoolsInstall.sh 64-
-          bash ./tstAutotoolsInstall.sh   -ILP64
-          bash ./tstAutotoolsInstall.sh 64-ILP64
-  ubuntu_latest_cmake_python:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev cmake libeigen3-dev
-      - name: Install python dependencies
-        run: sudo apt-get -y install python3-minimal python3-pip python3-numpy
-      - name: Build boost-python for python3 (not provided by apt-cache)
-        run : |
-          sudo apt-get -y install wget
-          wget https://sourceforge.net/projects/boost/files/boost/1.79.0/boost_1_79_0.tar.gz
-          tar -xf boost_1_79_0.tar.gz
-          cd boost_1_79_0
-          ./bootstrap.sh --with-libraries=python --with-python=/usr/bin/python3 --with-toolset=gcc
-          sudo ./b2 toolset=gcc install
-          sudo apt-get install locate
-          sudo updatedb
-      - name: Run job
-        run: |
-          mkdir build
-          cd build
-          cmake -DEXAMPLES=ON -DMPI=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  ubuntu_latest_autotools_ilp64:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Update OS
-        run: sudo apt-get update
-      - name: Install apt-get dependencies
-        run: sudo apt-get install -y gfortran gcc g++ openmpi-bin libopenmpi-dev libblas-dev liblapack-dev automake autoconf pkg-config libtool libeigen3-dev
-      - name: Install Intel MKL (ILP64 blas/lapack)
-        run: echo yes | sudo apt-get -y install intel-mkl libmkl-dev
-      - name: Run job
-        run: |
-          ./bootstrap
-          ./configure --enable-icb --with-blas=mkl_gf_ilp64 --with-lapack=mkl_gf_ilp64
-          make all
-          make check
-        env:
-          FFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
-          FCFLAGS: "-DMKL_ILP64 -I/usr/include/mkl"
-          LIBS: "-Wl,--no-as-needed -L/usr/lib/x86_64-linux-gnu -lmkl_sequential -lmkl_core -lpthread -lm -ldl"
-          INTERFACE64: "1"
-  macos_latest_cmake:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          brew reinstall gcc # brings gfortran on path
-          brew install cmake open-mpi eigen veclibfort
-      - name: Run job
-        run: |
-          mkdir -p build
-          cd build
-          export FC=mpif90 # Uses gfortran.
-          export CC=mpicc # Uses clang.
-          export CFLAGS="-Qunused-arguments"
-          export CXX=mpic++ # Uses clang++.
-          export CXXFLAGS="-Qunused-arguments"
-          export VECLIBFORT_PREFIX=$(brew --prefix veclibfort)
-          cmake \
-            -DBLAS_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
-            -DLAPACK_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
-            -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DMPI=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  macos_latest_cmake_python:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          # Unlink and re-link to prevent errors when github mac runner images
-          # install python outside of brew, for example:
-          # https://github.com/orgs/Homebrew/discussions/3895
-          # https://github.com/actions/setup-python/issues/577
-          # https://github.com/actions/runner-images/issues/6459
-          # https://github.com/actions/runner-images/issues/6507
-          # https://github.com/actions/runner-images/issues/2322
-          brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
-          brew reinstall gcc # brings gfortran on path
-          brew install cmake eigen boost-python3 python3 numpy veclibfort
-      - name: Run job
-        run: |
-          mkdir -p build
-          cd build
-          export FC=gfortran
-          export CC=clang
-          export CFLAGS="-Qunused-arguments"
-          export CXX=clang++
-          export CXXFLAGS="-Qunused-arguments"
-          export VECLIBFORT_PREFIX=$(brew --prefix veclibfort)
-          cmake \
-            -DBLAS_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
-            -DLAPACK_LIBRARIES="${VECLIBFORT_PREFIX}/lib/libvecLibFort.dylib" \
-            -DEXAMPLES=ON -DICB=ON -DEIGEN=ON -DPYTHON3=ON ..
-          make all
-          CTEST_OUTPUT_ON_FAILURE=1 make test
-  macos_latest_autotools:
-    runs-on: macos-latest
-    steps:
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Install brew dependencies
-        run: |
-          brew reinstall gcc # brings gfortran on path
-          brew install autoconf automake libtool pkgconfig open-mpi eigen veclibfort
-      - name: Run job
-        run: |
-          ./bootstrap
-          export VECLIBFORT_PREFIX=$(brew --prefix veclibfort)
-          BLAS_LIBS="-L${VECLIBFORT_PREFIX}/lib -lvecLibFort" \
-          LAPACK_LIBS="-L${VECLIBFORT_PREFIX}/lib -lvecLibFort" \
-            ./configure --enable-icb --enable-eigen --enable-mpi
-          make all
-          make check
-  windows_latest_cmake:
-    runs-on: windows-latest
-    name: MinGW-w64 ${{ matrix.msystem }} INTERFACE64=${{ matrix.int64 }}/MPI=${{ matrix.mpi }}
-    strategy:
-      fail-fast: false
-      matrix:
-        msystem: [UCRT64, CLANG64]
-        int64: [ON, OFF]
-        mpi: [ON, OFF]
-        exclude:
-          - int64: ON
-            mpi: ON
-    defaults:
-      run:
-        # Use MSYS2 as default shell
-        shell: msys2 {0}
-    steps:
-      - name: Install MSYS2 build environment
-        uses: msys2/setup-msys2@v2
-        with:
-          update: true
-          msystem: ${{ matrix.msystem }}
-          install: >-
-            base-devel
-            git
-          pacboy: >-
-            cmake:p
-            ninja:p
-            cc:p
-            fc:p
-            eigen3:p
-      - name: Install OpenBLAS and MS-MPI from MSYS2
-        run: |
-          if [[ ${{ matrix.int64 }} != ON ]]; then
-            pacboy -S openblas:p --noconfirm
-          else
-            pacboy -S openblas64:p --noconfirm
-          fi
-          if [[ ${{ matrix.mpi }} = ON ]]; then
-            # This installs only the link library.
-            # The actual library will be installed in the next step.
-            pacboy -S msmpi:p --noconfirm
-          fi
-      - name: Install MS-MPI (for mpiexec)
-        uses: mpi4py/setup-mpi@v1
-      - name: Clone and check out repository code
-        uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-          ref: ${{github.event.pull_request.head.ref}} # Branch where changes are implemented.
-          repository: ${{github.event.pull_request.head.repo.full_name}} # Repo where changes are implemented.
-      - name: Check commit
-        run: |
-          git log -1
-      - name: Run job
-        run: |
-          mkdir -p build && cd build
-          echo "::group::Configure"
-          if [[ ${{ matrix.int64 }} == ON ]]; then
-            _blas_lib_flag="-DBLAS_LIBRARIES=openblas_64"
-          fi
-          cmake \
-            -GNinja \
-            -DICB=ON \
-            -DEIGEN=ON \
-            -DEXAMPLES=ON \
-            -DMPI=${{ matrix.mpi }} \
-            -DINTERFACE64=${{ matrix.int64 }} \
-            ${_blas_lib_flag} \
-            ..
-          echo "::endgroup::"
-          echo "::group::Build"
-          cmake --build . -v
-          echo "::endgroup::"
-      - name: Run tests
-        id: run-ctest
-        run: |
-          if [[ ${{ matrix.mpi }} == ON ]]; then
-            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
-          fi
-          cd build
-          ctest
-      - name: Re-run tests
-        if: always() && (steps.run-ctest.outcome == 'failure')
-        timeout-minutes: 60
-        run: |
-          if [[ ${{ matrix.mpi }} == ON ]]; then
-            export PATH="/c/Program Files/Microsoft MPI/Bin":$PATH # add mpiexec to msys2 path
-          fi
-          cd build
-          echo "::group::Re-run ctest"
-          ctest --rerun-failed --output-on-failure || true
-          echo "::endgroup::"
-          echo "::group::Log from these tests"
-          [ ! -f Testing/Temporary/LastTest.log ] || cat Testing/Temporary/LastTest.log
-          echo "::endgroup::"
-          echo "::group::Content of arpackmm.run.log"
-          [ ! -f EXAMPLES/MATRIX_MARKET/arpackmm.run.log ] || cat EXAMPLES/MATRIX_MARKET/arpackmm.run.log
-          echo "::endgroup::"